3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $_foo = 'foo'; public function isMatch() { var_dump($this->_foo); var_dump(child::$_foo); } } class Bar extends Foo { protected $_foo = 'bar'; } $a = new Bar(); var_dump($a->isMatch());

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0070.00718.43
8.3.50.0140.00821.09
8.3.40.0090.00618.88
8.3.30.0080.00618.84
8.3.20.0040.00420.38
8.3.10.0070.00023.70
8.3.00.0060.00322.32
8.2.180.0150.00018.54
8.2.170.0070.01122.96
8.2.160.0070.00720.44
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0060.00317.63
8.2.110.0070.00322.27
8.2.100.0030.00917.84
8.2.90.0080.00019.23
8.2.80.0030.00617.97
8.2.70.0040.00417.75
8.2.60.0070.00017.93
8.2.50.0050.00318.07
8.2.40.0000.00821.19
8.2.30.0000.00719.79
8.2.20.0050.00317.75
8.2.10.0050.00317.90
8.2.00.0040.00417.98
8.1.280.0070.01125.92
8.1.270.0060.00320.39
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0070.01021.30
8.1.230.0000.01117.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0030.00617.23
8.1.180.0040.00418.10
8.1.170.0000.00818.46
8.1.160.0000.00721.95
8.1.150.0050.00218.88
8.1.140.0060.00317.40
8.1.130.0030.00317.56
8.1.120.0050.00317.33
8.1.110.0040.00417.27
8.1.100.0040.00417.28
8.1.90.0000.00717.40
8.1.80.0000.00717.34
8.1.70.0000.00717.40
8.1.60.0040.00417.53
8.1.50.0050.00317.54
8.1.40.0050.00317.41
8.1.30.0000.00817.69
8.1.20.0040.00417.65
8.1.10.0000.00817.62
8.1.00.0070.00017.56
8.0.300.0030.00618.77
8.0.290.0070.00016.75
8.0.280.0070.00018.52
8.0.270.0030.00317.20
8.0.260.0000.00617.26
8.0.250.0000.00716.85
8.0.240.0070.00017.01
8.0.230.0040.00416.88
8.0.220.0070.00016.96
8.0.210.0000.00816.88
8.0.200.0000.00816.95
8.0.190.0040.00416.91
8.0.180.0070.00016.98
8.0.170.0030.00517.02
8.0.160.0000.00816.86
8.0.150.0000.00716.84
8.0.140.0070.00016.89
8.0.130.0030.00613.30
8.0.120.0040.00416.80
8.0.110.0040.00416.97
8.0.100.0040.00416.83
8.0.90.0000.00716.92
8.0.80.0100.01016.88
8.0.70.0040.00416.85
8.0.60.0000.00816.88
8.0.50.0000.00716.77
8.0.30.0110.00717.11
8.0.20.0080.01117.40
8.0.10.0040.00416.91
8.0.00.0070.01116.74
7.4.330.0000.00515.08
7.4.320.0030.00316.44
7.4.300.0070.00016.63
7.4.290.0030.00316.43
7.4.280.0040.00416.54
7.4.270.0030.00316.51
7.4.260.0000.00716.54
7.4.250.0040.00416.33
7.4.240.0060.00116.61
7.4.230.0030.00316.61
7.4.220.0090.00916.46
7.4.210.0000.01816.63
7.4.200.0030.00316.72
7.4.160.0090.00616.51
7.4.150.0130.00717.40
7.4.140.0120.00717.86
7.4.130.0090.00916.50
7.4.120.0050.01116.59
7.4.110.0110.00716.48
7.4.100.0080.01616.57
7.4.90.0070.01016.55
7.4.80.0120.00619.39
7.4.70.0170.01016.55
7.4.60.0080.00816.32
7.4.50.0000.00416.48
7.4.40.0040.01416.68
7.4.30.0080.01616.61
7.4.00.0020.01614.92
7.3.330.0090.00013.23
7.3.320.0030.00313.37
7.3.310.0070.00016.39
7.3.300.0000.00716.36
7.3.290.0040.01016.34
7.3.280.0140.00416.35
7.3.270.0090.01517.40
7.3.260.0100.00616.41
7.3.250.0060.01316.30
7.3.240.0040.01216.35
7.3.230.0100.00716.39
7.3.210.0100.01016.38
7.3.200.0130.00316.42
7.3.190.0070.01016.36
7.3.180.0130.00316.46
7.3.170.0030.01716.27
7.3.160.0150.00316.52
7.3.120.0030.01414.64
7.3.110.0110.00714.79
7.3.100.0060.00814.60
7.3.90.0060.00614.75
7.3.80.0040.00714.84
7.3.70.0000.01414.79
7.3.60.0030.00914.66
7.3.50.0060.00614.72
7.3.40.0120.00314.57
7.3.30.0070.00714.84
7.3.20.0040.01116.61
7.3.10.0090.00316.30
7.3.00.0000.01416.37
7.2.330.0100.00716.74
7.2.320.0100.00716.71
7.2.310.0030.01416.39
7.2.300.0030.01616.69
7.2.290.0090.01516.43
7.2.250.0070.01115.10
7.2.240.0130.00714.68
7.2.230.0060.00315.12
7.2.220.0070.01015.17
7.2.210.0030.01015.02
7.2.200.0060.00914.88
7.2.190.0000.01315.08
7.2.180.0040.01114.68
7.2.170.0090.00614.73
7.2.60.0070.00716.61
7.2.00.0060.00619.26
7.1.330.0040.00715.73
7.1.320.0100.00315.62
7.1.310.0070.00715.76
7.1.300.0000.00915.55
7.1.290.0070.01015.47
7.1.280.0040.01115.67
7.1.270.0000.01415.60
7.1.260.0030.00915.75
7.1.200.0030.01015.77
7.1.100.0080.00817.86
7.1.70.0000.00817.10
7.1.60.0030.02120.03
7.1.50.0060.01616.90
7.1.00.0000.08022.43
7.0.200.0040.00416.87
7.0.60.0100.08719.96
7.0.50.0130.08017.87
7.0.40.0170.07320.02
7.0.30.0500.07020.25
7.0.20.0130.04720.21
7.0.10.0370.05720.23
7.0.00.0100.06720.15
5.6.280.0000.05720.78
5.6.210.0000.05320.48
5.6.200.0070.08018.25
5.6.190.0130.08720.47
5.6.180.0330.05720.64
5.6.170.0200.04320.49
5.6.160.0030.04720.51
5.6.150.0030.04018.18
5.6.140.0130.03318.23
5.6.130.0070.08318.18
5.6.120.0000.09021.14
5.6.110.0030.04320.96
5.6.100.0070.08020.98
5.6.90.0170.07321.10
5.6.80.0100.08320.41
5.6.70.2800.03020.37
5.5.350.0130.07020.44
5.5.340.0100.08018.09
5.5.330.0070.07720.19
5.5.320.0430.07020.24
5.5.310.0230.08020.32
5.5.300.0100.07718.08
5.5.290.0100.06317.95
5.5.280.0030.04720.75
5.5.270.0100.08720.76
5.5.260.0070.08020.68
5.5.250.0130.07720.69
5.5.240.0200.04320.23
5.4.450.0930.04719.48
5.4.440.0770.06319.61
5.4.430.0770.06319.58
5.4.420.1000.04719.38
5.4.410.0830.05019.59
5.4.400.1030.06719.06
5.4.390.0870.05319.27
5.4.380.0700.05719.37
5.4.370.0500.05719.14
5.4.360.0970.06019.13
5.4.350.0670.05319.12
5.4.340.0970.05019.17
5.4.320.0770.05718.87
5.4.310.0670.06319.02
5.4.300.0870.05319.14
5.4.290.0700.05719.00
5.4.280.0730.06019.28
5.4.270.0700.06019.28
5.4.260.0830.06019.12
5.4.250.0800.05719.25
5.4.240.0870.06319.14
5.4.230.0700.05719.25
5.4.220.0800.07019.36
5.4.210.0870.07319.14
5.4.200.1000.05016.79
5.4.190.1070.05719.18
5.4.180.0830.07319.10
5.4.170.0730.05319.18
5.4.160.1030.06319.13
5.4.150.0770.07019.13
5.4.140.0800.04716.39
5.4.130.0730.04716.46
5.4.120.0900.05316.75
5.4.110.0700.05716.53
5.4.100.0670.06016.59
5.4.90.0670.05716.38
5.4.80.0830.05316.33
5.4.70.0770.05716.68
5.4.60.0270.04316.44
5.4.50.0000.05316.55
5.4.40.0070.03016.19
5.4.30.0030.06716.42
5.4.20.0330.05016.25

preferences:
48.44 ms | 401 KiB | 5 Q